Japanese Seyuu: Naoko Matsui

Developed the Nadesico's Phase Transition system for Nergal on Mars before it was invaded; when the ship returned to the planet, she came aboard, stating that the surviving colonists refused to leave, believing the ship would soon be destroyed; however, an attack immediately afterwards forced the grounded Nadesico to raise its shields, crushing the underground colonists and leaving her the only survivor. She hosts the "Naze Nani Nadesico" segment as a technical consultant along with Ruri and Yurika in an attempt to teach the crew about the ship's workings, as a way of atoning for what happened.

Source: Wikipedia